FIG. 5-w
FIG. 5-v
R-100
BALANCED PISTON FIRST STAGE REGULATOR
DISASSEMBLY
/ ASSEMBLY
13.
Pre assemble the filter assembly as follows:
1. Place o-ring (6) into housing (7). Do not lubricate this o-ring.
2. Insert filter (5) into housing (7) on top of o-ring (6).
3. Place filter retaining ring (4) into housing (7)rounded side down, using snap
ring pliers. Make sure the retaining ring clicks into housing groove properly
before continuing.
14.
Place the main body (13) of the regulator into the jaws of a padded vise. Install
the filter assembly into main body with a 3/8” Allen key. Then hand-tighten in a
clockwise direction until snug. For torque settings refer to Section 6.1
NOTE
DO NOT over-tighten the vise onto the soft brass parts of the first stage main body.
15.
Lightly lubricate the under side of the
yoke (2) Place the yoke over the
threaded portion of the main body
(13).
16.
Holding the yoke retainer between
thumb and forefinger, apply one drop
of Loctite to the middle threads of the
yoke retainer nut. Quickly, mate the
yoke retainer nut to the main body
seating the threads properly.
Immediately hand tighten. Using a
slotted flat bar tool or a TUSA special
wrench tool as shown in
Figure 5-v
,
begin a firm, steady, clockwise force
tightening the yoke retainer nut.
Refer to section 6.1 for proper torque
specifications.
17.
Lubricate and install all o-rings (24)
& (11) onto all hoses and port plugs.
Install the LP hoses and port plugs
(23) into cap and the HP hose and
port plug (10) into the main body,
tightening until snug and fit EP plugs
into body (15). See
Figure 5-w.
18.
Install the dust cap (3) onto the yoke knob
(2) and install these onto the yoke (5).
This concludes the assembly of the Balanced Piston First Stage.
Revised v1.0-2000
23